18044390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{251}}^1$

素因数の和:357

約数の個数: 64

約数和(自身を含む): 40642560

約数和(自身を除く): 22598170

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 79, 91, 130, 158, 182, 251, 395, 455, 502, 553, 790, 910, 1027, 1106, 1255, 1757, 2054, 2510, 2765, 3263, 3514, 5135, 5530, 6526, 7189, 8785, 10270, 14378, 16315, 17570, 19829, 22841, 32630, 35945, 39658, 45682, 71890, 99145, 114205, 138803, 198290, 228410, 257777, 277606, 515554, 694015, 1288885, 1388030, 1804439, 2577770, 3608878, 9022195, 18044390]

約数ペア:

[(1, 18044390), (2, 9022195), (5, 3608878), (7, 2577770), (10, 1804439), (13, 1388030), (14, 1288885), (26, 694015), (35, 515554), (65, 277606), (70, 257777), (79, 228410), (91, 198290), (130, 138803), (158, 114205), (182, 99145), (251, 71890), (395, 45682), (455, 39658), (502, 35945), (553, 32630), (790, 22841), (910, 19829), (1027, 17570), (1106, 16315), (1255, 14378), (1757, 10270), (2054, 8785), (2510, 7189), (2765, 6526), (3263, 5530), (3514, 5135)]